Home / 149,226.24-205,949.82-83,825.88

Finding the Fourth Proportional to 149,226.24, 205,949.82 and 83,825.88

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Solution

The fourth proportional to 149,226.24, 205,949.82 and 83,825.88 is: 115,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,226.24 : 205,949.82 = 83,825.88 : x
  2. Step 2: Convert to fraction form
    149,226.24/205,949.82 = 83,825.88/x
  3. Step 3: Cross multiply
    149,226.24x = 205,949.82 × 83,825.88
  4. Step 4: Simplify right side
    149,226.24x = 17,263,924,897.34
  5. Step 5: Solve for x
    x = 17,263,924,897.34/149,226.24
  6. Step 6: Final answer
    x = 115,689.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.